By G. J. Bernfeld, A. J. Bird, R. I. Edwards, Hartmut Köpf, Petra Köpf-Maier, Christoph J. Raub, W. A. M. te Riele, Franz Simon, Walter Westwood (auth.), Gary J. K. Acres, Kurt Swars (eds.)
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Additional info for Pt Platinum: Supplement Volume A 1 Technology of Platinum-Group Metals
Evers, R. I. Edwards, M. M. African 76-3681 [1976); Brit. 1533373 [1976); Ger. 2726558 ; Belg. 855935 [1976); Can. 108606 ; Fr. 2355781 ; Japan . S. A. 88  No. 92958. M. M. Fieberg, R. I. African 763680 ; Brit. 1533541 ; Ger. 2726556 ; Belg. 855934 ; Can. 1101 678  ; Fr. 2355919 ; Japan . S. A. 88  No. 108658,89  No. 46980 . P. A. Lewis , D. F. C. Morris, E. L. Short, D. N. Waters, Application of Solvent Extraction to the Refining of Precious Metals; Pt.
A . 89  No. 46980 , 88  No. 108658).  A. P. Evers, R. Edwards , M. M. Fieberg (Brit. 1533373 ; Ger. 2726558 ; Belg. 855935 ; Can. 1086069 ; Fr. 2355781 ; Japan . S. 4130625 ; S. African Appl. A. 88  No. 92958). -  R. Edwards , M. M. Fieberg , B. C. Want, W. A. Te Riele (S. African 77-05358 ; Belg . 870256 ; Can. 1095258  ; Ger. A. 92  No. 97318 ; Fr. 2401879 ; Brit. 2003846 ; Japan . S. A. 91  No.
A 1 31 HCI-G12 or Aqua Regia soluble H[AuCI,l H 2[PtC ~) HAPdCl,) solvent extract with dibutyl carbitol scrub with dil. HCl ' - - - - - - -> to lead smelt (Fig. 2) NH,CI I ammonia hydrochloric acid ignite I oxalic acid strip + PPt I pure gold aqua regia sodium chloride I melt and granulate I gold grain bromate hydrolysis zinc reduction ammonia hydrochloric acid ~ V waste liquor ignite / / / /"7 / / ~ / / melt, cast in special moulds , float zone refi ne Fig. 1. Pure platinum and palladium start ing with the INCO (Acton) (Refinery) route.
Pt Platinum: Supplement Volume A 1 Technology of Platinum-Group Metals by G. J. Bernfeld, A. J. Bird, R. I. Edwards, Hartmut Köpf, Petra Köpf-Maier, Christoph J. Raub, W. A. M. te Riele, Franz Simon, Walter Westwood (auth.), Gary J. K. Acres, Kurt Swars (eds.)